package com.open.capacity.finance.service.impl;

import cn.afterturn.easypoi.excel.ExcelExportUtil;
import cn.afterturn.easypoi.excel.entity.ExportParams;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.TypeReference;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.open.capacity.finance.dao.AuditAnalysisDao;
import com.open.capacity.finance.dao.SourceBaseBusinesspayDao;
import com.open.capacity.finance.dao.SourceBasePayDao;
import com.open.capacity.finance.dto.AuditModelBaseResult;
import com.open.capacity.finance.dto.audit_model_21.AuditModelResult;
import com.open.capacity.finance.dto.audit_model_21.AuditModelStep1;
import com.open.capacity.finance.dto.audit_model_21.ExcelData;
import com.open.capacity.finance.entity.AuditModel;
import com.open.capacity.finance.entity.AuditModelRule;
import com.open.capacity.finance.entity.SourceBaseBusinesspay;
import com.open.capacity.finance.entity.SourceBasePay;
import com.open.capacity.finance.service.AbstractAuditMakeResultFactory;
import com.open.capacity.finance.service.AuditModelRuleService;
import com.open.capacity.finance.service.AuditModelService;
import com.open.capacity.finance.util.FileUtil;
import com.open.capacity.utils.StringUtil;
import com.open.capacity.utils.encrypt.Md5Utils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.collections4.MapUtils;
import org.apache.poi.ss.usermodel.Workbook;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.Assert;

import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.math.BigDecimal;
import java.nio.charset.StandardCharsets;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

@Slf4j
@Service
public class AuditModelActuator21ServiceImpl<T extends AuditModelBaseResult> extends AbstractAuditMakeResultFactory {


    @Autowired
    private AuditAnalysisDao analysisDao;

    @Autowired
    private AuditModelRuleService ruleService;

    @Autowired
    private AuditModelService modelService;

    @Autowired
    private SourceBaseBusinesspayDao payDao;


    @Override
    protected T analyseResultData(String modelId, Map param) {
        String companyId = param.containsKey("companyId") ? param.get("companyId").toString() : "";
        AuditModelResult result = new AuditModelResult();
        AuditModel model = modelService.findById(modelId);
        Assert.notNull(model, "找不到该模型");
        List<AuditModelRule> rules = ruleService.findByModelId(modelId);

        rules.forEach(t -> {
            param.put(t.getConfKey(), t.getConfValue());
        });
        result.setModelName(model.getCodeAndName());
        if (!param.containsKey("flag")) { //默认查异常数据
            param.put("flag", 1);
        }

        List<AuditModelStep1> step1List = analysisDao.model21(param);

        List<SourceBaseBusinesspay> bussinesspayList = payDao.findZbzyData(param);

        BigDecimal zcsTotal = step1List.stream().map(AuditModelStep1::getZcs).reduce(BigDecimal.ZERO, (a, b) -> a.add(b));
        step1List.forEach(t -> {
            t.setZcjd((t.getZcs()).divide(t.getZbje(), BigDecimal.ROUND_UP).multiply(BigDecimal.valueOf(100)));

            List<SourceBaseBusinesspay> zbdata = bussinesspayList.stream().filter(p -> p.getCompanyId().equals(t.getCompanyId()) && p.getKjnd().equals(t.getKjnd()) && p.getZbzy() != null && p.getZbzy().equals(t.getZbzy())).collect(Collectors.toList());
            if (CollectionUtils.isNotEmpty(zbdata)) {
                BigDecimal seasondata = zbdata.stream().filter(p -> p.getMonth() >= 10).map(SourceBaseBusinesspay::getAmount).reduce(BigDecimal.ZERO, (a, b) -> a.add(b));
                BigDecimal last2month = zbdata.stream().filter(p -> p.getMonth() >= 11).map(SourceBaseBusinesspay::getAmount).reduce(BigDecimal.ZERO, (a, b) -> a.add(b));
                t.setZcs1(seasondata);
                t.setZcs2(last2month);

                t.setZcjd1((seasondata).divide(t.getZcs(), BigDecimal.ROUND_UP).multiply(BigDecimal.valueOf(100)));
                t.setZcjd2((last2month).divide(t.getZcs(), BigDecimal.ROUND_UP).multiply(BigDecimal.valueOf(100)));
                t.setZcjd3((last2month).divide(zcsTotal, BigDecimal.ROUND_UP).multiply(BigDecimal.valueOf(100)));

                if (t.getZcjd1().compareTo(BigDecimal.valueOf(30)) >= 0) {
                    t.setFlag(1);
                }
                if (t.getZcjd2().compareTo(BigDecimal.valueOf(30)) >= 0) {
                    t.setFlag(1);
                }
            }
        });


        //只显示异常
        Integer flag = param.containsKey("flag") && StringUtil.isNotEmpty(param.get("flag").toString()) ? Integer.parseInt(param.get("flag").toString()) : 0;
        if (flag.equals(1)) {
            step1List = step1List.stream().filter(t -> t.getFlag() != null && t.getFlag().equals(1)).collect(Collectors.toList());
        }

        result.setCompanyId(companyId);

        step1List.sort(Comparator.comparing(AuditModelStep1::getCompanyId)
                .thenComparing(AuditModelStep1::getKjnd)
                .thenComparing(AuditModelStep1::getZbzy));

        result.setStep1List(step1List);
        if (CollectionUtils.isEmpty(step1List)) {
            result.setExists(0);
        } else {
            result.setExists(1);

            //持久化本地
            persistence(result);
        }

        return (T) result;
    }

    @Override
    protected int persistence(AuditModelBaseResult data) {
        int result = 0;

        String content = JSON.toJSONString(data, SerializerFeature.PrettyFormat, SerializerFeature.WriteMapNullValue,
                SerializerFeature.WriteDateUseDateFormat);

        data.setResultFileMd5(Md5Utils.hash(content));
        data.setResultFileUrl("/upload/analyse/model21_" + data.getCompanyId() + "_" + data.getResultFileMd5() + ".json");

        Writer write = null;
        try {
            File file = new File(fileuploadPath + "/upload/analyse/model21_" + data.getCompanyId() + "_" + data.getResultFileMd5() + ".json");
            if (file.exists()) {
                file.delete();
            }
            file.createNewFile();
            // 写入文件
            write = new OutputStreamWriter(new FileOutputStream(file), StandardCharsets.UTF_8);
            write.write(content);
            write.flush();
            write.close();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                write.close();
            } catch (IOException e) {
                log.error(e.getMessage());
            }
        }
        return result;
    }

    @Override
    public T getData(String modelId, Map param) {
        return analyseResultData(modelId, param);
    }


    /**
     * 从本地加载数据
     */
    public AuditModelBaseResult getDataFromJson(String jsonUrl, Map param) {
        AuditModelResult result = null;
        try {
            String json = FileUtil.readTxtToJson(fileuploadPath + jsonUrl);
            result = JSONObject.parseObject(json, new TypeReference<AuditModelResult>() {
            });
        } catch (Exception e) {
            e.printStackTrace();
        }
        filterCondition(result, param);

        return result;
    }


    /**
     * 本地json数据条件过滤
     */
    private AuditModelResult filterCondition(AuditModelResult orig, Map param) {
        AuditModelResult result = orig;
        String companyId = MapUtils.getString(param, "companyId");
        Integer kjnd = MapUtils.getInteger(param, "kjnd");
        String zbzy = MapUtils.getString(param, "zbzy");
       Integer flag = MapUtils.getInteger(param, "flag");

        List<AuditModelStep1> list = orig.getStep1List();
        if (StringUtil.isNotEmpty(companyId)) {
            list = list.stream().filter(t -> t.getCompanyId().equals(companyId)).collect(Collectors.toList());
        }
        if (kjnd != null) {
            list = list.stream().filter(t -> t.getKjnd().equals(kjnd)).collect(Collectors.toList());
        }
        if (StringUtil.isNotEmpty(zbzy)) {
            list = list.stream().filter(t -> t.getZbzy().contains(zbzy)).collect(Collectors.toList());
        }
        if (flag != null) {
            list = list.stream().filter(t -> t.getFlag().equals(flag)).collect(Collectors.toList());
        }

        result.setStep1List(list);

        return result;
    }

    public void exportExcel(String modelId, Map params, HttpServletResponse response) {
        AuditModelResult t = (AuditModelResult) analyseResultData(modelId, params);

        export(t, response);
    }

    @Override
    public void exportExcelFromJson(String modelId, String jsonUrl, HttpServletResponse response) {
        AuditModelResult t = null;
        try {
            String json = FileUtil.readTxtToJson(fileuploadPath + jsonUrl);
            t = JSONObject.parseObject(json, new TypeReference<AuditModelResult>() {
            });
        } catch (Exception e) {
            e.printStackTrace();
        }

        export(t, response);
    }

    private void export(AuditModelResult t, HttpServletResponse response) {
        List<ExcelData> result = t.getStep1List().stream().map(item -> {
            ExcelData model = new ExcelData();
            BeanUtils.copyProperties(item, model);
            return model;
        }).collect(Collectors.toList());

        response.setContentType("application/vnd.ms-excel");
        response.setHeader("Content-disposition", "attachment;filename=download_21.xls");
        OutputStream ouputStream = null;
        Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(),
                ExcelData.class, result);
        try {
            ouputStream = response.getOutputStream();
            workbook.write(ouputStream);
        } catch (Exception e) {
            throw new RuntimeException("系统异常");
        } finally {
            try {
                if (ouputStream != null) {
                    ouputStream.flush();
                    ouputStream.close();
                }
            } catch (Exception e) {
                throw new RuntimeException("系统异常");
            }
        }
    }
}
